JP2934895B2 - Acoustic reflector - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an acoustic reflector disposed on a stage such as a theater, and in particular, to an acoustic reflector having a light support structure such as a light bridge or a light baton. Related to a reflector.

(Prior art and its problems) In a stage such as a theater, an acoustic reflector is used to improve the acoustic effect. As a mode of using the acoustic reflector, a so-called movable type is used. Today's trend is to use things.

By the way, as a conventionally proposed movable acoustic reflector, a rear reflector is stored in an upright state behind a stage, and one or more ceiling reflectors are provided above the rear reflector. Is stored horizontally.

According to the proposal, it is possible to set a desired acoustic reflector on the stage by advancing each reflector to a predetermined position on the stage, that is, by sliding the reflector. However, there is a disadvantage that the so-called hangar portion becomes a dead space.

Therefore, the acoustic reflectors, that is, the rear reflector and the ceiling reflector, are set up in an upright state, based on the fact that many ceiling suspended devices such as lights and acoustic devices are suspended from the ceiling above the stage. There is a proposal to suspend it above the stage.

According to this proposal, there is an advantage that a large dead space is not formed when the acoustic reflector is used as in the previous proposal, but when the acoustic reflector is not used, it is raised and held near the ceiling together with ceiling suspended equipment. Only has no particular use, and therefore has the disadvantage of so-called hindrance.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described circumstances, and has as its object to provide a light support structure such as a light bridge or a light baton at the time of the raised non-use state. It is an object of the present invention to provide an acoustic reflector which is most suitable for use in a stage such as the above.

(Means for Solving the Problems) In order to achieve the above object, a means of the present invention includes a rear anti-swash plate suspended vertically above a stage near the back of the stage and moving up and down, and a front portion of the stage. A ceiling reflector that is hung upright and moves up and down while turning up, and turned around when descending to a substantially horizontal state, and a stage that is held by the rear reflector and the ceiling reflector, respectively, and ascends the stage A plurality of lights to illuminate, and the ceiling reflector is driven in a vertical direction through a driving body that runs on a guide rail arranged in a vertical direction, and is rotated in a horizontal direction by a motor mounted on the driving body. It is characterized by being driven.

(Operation) The rear reflector is moved to a predetermined storage position and an installation position by an up and down operation.

On the other hand, the ceiling reflection plate moves up and down by a predetermined amount by traveling on the guide rail, and is turned in a state of being lowered to a predetermined lowering position to be in a substantially horizontal state in a used state.

When the back reflector and the ceiling reflector are not in use, they are raised and stored, and at this time, each reflector is a light bridge or a light for holding a plurality of lights for stage lighting. Functions as a support structure for batons and the like.

(Example) Hereinafter, the present invention will be described in detail based on the illustrated example.

As shown in FIGS. 1 and 2, the acoustic reflector according to the present invention includes a back reflector 1 and a ceiling reflector 2.

The rear reflecting plate 1 is set so as to be suspended vertically above the stage F near the rear and moved up and down.

On the other hand, the ceiling reflector 2 is set up so as to be suspended vertically above the stage F in front of the stage F and moved up and down.

The rear reflector 1 and the ceiling reflector 2 respectively hold a plurality of lights L illuminating the stage F when ascending.

Above the stage F, a number of hanging members S for hanging ceiling hanging equipment such as lights and audio equipment (not shown) are provided vertically.

By the way, the above-mentioned back reflector 1 and ceiling reflector 2
Is a main body 1a, 2a formed in the shape of a frame, respectively, and the acoustic panel 1b,
2b.

The main body 1a, 2a is formed in a frame shape,
This is to reduce the weight of each of the reflectors 1 and 2 as much as possible.

On the other hand, the acoustic panels 1b and 2b are formed in a well-known so-called acoustic plate structure.

The rear reflector 1 is suspended by a suspension mechanism (shown only by wires 10 in the figure) disposed on a ceiling (not shown) or in the vicinity of the ceiling.

On the other hand, the ceiling reflector 2 is held by a moving mechanism 20 disposed on the wall surface W, as shown in FIG.

That is, the moving mechanism 20 has a driving body 22 that runs on a guide rail 21 that is vertically arranged on the wall surface W or along the wall surface W and the like. Numeral 22 holds the ceiling reflector 2 so that it can be turned.

Explaining a little, the driving body 22 is
And a housing 25 held by a pair of upper and lower rollers 24 that engage with the guide rail 21. It has a bracket 26 screwed into the screw rod 23 therein and a shaft 27 for connecting the ceiling reflection plate 2 continuously.

Therefore, when the screw rod 23 is rotated by a driving mechanism (not shown) or the like, the bracket screwed to the screw rod 23
The housing 25 having the 26 moves up and down, and at this time, the housing 25 moves up and down while maintaining a predetermined horizontal state by the action of the pair of upper and lower rollers 24 and the guide rail 21 with which the housing 25 engages. .

On the other hand, the shaft 27 has a tip protruding outside the housing 25 and a rear end guided into a gear box 28 provided in the housing 25.

The shaft 27 is formed so as to perform a predetermined rotation when driven by a drive motor 29 disposed outside the upper surface of the housing 25.

Incidentally, the shaft 27 is held by a bearing 27a whose intermediate part is fixed to the housing 25.

Therefore, when the shaft 27 is rotated by the drive of the drive motor 29, the ceiling reflector 2 connected to the shaft 27 is rotated.
Is turned to a predetermined substantially horizontal state.

By the way, according to the present invention, the back reflector 1 described above is used.
It is assumed that the ceiling reflector 2 and the ceiling reflector 2 are raised and stored when not in use.
Function as a support structure for holding a plurality of lights L for illuminating the light.

That is, in the present invention, the rear reflector 1 and the ceiling reflector 2 are each provided with a plurality of lights L at the lower end thereof.
It is formed so as to hold.

The plurality of lights L illuminate the stage F from above.

Therefore, the back reflector 1 according to this embodiment formed as described above is a lifting position as a predetermined storage position and a predetermined installation position in each operation of lifting and hanging by the wire 10 as a hanging mechanism. Moved to the suspended position,
That is, it is moved up and down.

On the other hand, the ceiling reflection plate 2 moves up and down by a predetermined amount while the driving body 22 constituting the moving mechanism 20 runs on the guide rail 21 along with the spiral rod 23, and moves down by a predetermined amount. It is turned in a state of being lowered to the position, and becomes a substantially horizontal state as a use state.

When the back reflector 1 and the ceiling reflector 2 are not in use, they are respectively raised and stored, and at this time, each reflector 1 and 2 is provided with a plurality of lights for illuminating the stage F. It functions as a support structure for a light bridge or a light baton that holds L.

〔The invention's effect〕

As described above, according to the present invention, the sound reflecting plate is suspended in the standing state above the rear of the stage and moved up and down, and the sound reflecting plate is in the standing state above the front of the stage. A ceiling reflector that is suspended and moved up and down and turned when descending to be in a substantially horizontal state, and a plurality of lights that are respectively held by the rear reflector and the ceiling reflector and illuminate the stage when ascending. Of course, so-called dead space will not be formed behind the stage such as a theater,
So-called obstructive objects are no longer arranged above the stage, and when used, the back reflector and ceiling reflector are lowered and turned to predetermined positions to function as so-called acoustic reflectors, of course. When not in use, the rear reflector and the ceiling reflector are each raised and stored, while each functions as a support structure such as a light bridge or a light baton for holding a plurality of lights. There is.

Further, the ceiling reflector is driven vertically by a driver that runs on guide rails arranged vertically, and is also driven to rotate in the horizontal direction by a motor mounted on the driver. Can smoothly and reliably move up and down along the guide rail, and can be accurately rotated by the motor, so that the level and angle of the ceiling anti-swash plate can be controlled as set.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a state in which an acoustic reflector according to the present invention is suspended above a stage, FIG. 2 is a sectional view showing a use state of the acoustic reflector, and FIG. 3 is an enlarged partial section showing a moving mechanism. FIG. [Description of Signs] F: Stage, L: Light S: Suspension member, W: Wall surface 1: Reflector for back surface, 2: Reflector for ceiling 10: Wire as suspension mechanism 20: Moving mechanism, 21: Guide rail 22 ... Driver

Claims (1)

(57) [Claims] 1. A back anti-swash plate suspended vertically above a stage near the back and moving up and down, and a back anti-swash plate suspended vertically above the stage and vertically moved and turned when descending. A ceiling reflector that is made substantially horizontal and has a plurality of lights that are respectively held by the back reflector and the ceiling reflector and illuminate the stage when ascending, and the ceiling reflector is vertically oriented. An acoustic reflector, which is driven in a vertical direction through a driving body that runs on a guide rail provided and is driven to rotate in a horizontal direction by a motor mounted on the driving body.